Hydroelectricity harnessing the power of water powered up a stem approach to energy sources jonathan bard on amazoncom free shipping on qualifying offers moving water is one of the most incredible forces on earth just think of the power behind a tsunami or waterfall harnessing the power of water is nothing new. Hydroelectric energy is power made by moving water hydro comes from the greek word for water the first us hydroelectric power plant was built on the fox river in 1882 in appleton wisconsin this plant powered two paper mills and one home to harness energy from flowing water the water . In this experiment we explore how to get power from water or hydropower which can be used to pick up household objects hydropower is mechanical energy that is generated by using the motion of water caused by gravity hydropower is one of the oldest forms of energy and has been used by humans since 4000 bc by learning how to make a water . A stem approach to energy sources geothermal energy harnessing the power of earths heat 1st edition mariel bard powerkids press powered up a stem approach to energy sources hydroelectricity harnessing the power of water 1st edition jonathan bard powerkids press . Another variation is to make use of waters kinetic energy or undammed sources such as tidal power hydropower works by harnessing the gravitational descent of a river that is compressed from a long run to a single location with a dam or a flume electric generators powered by hydropower can be run backward as a motor to pump water back up
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